1#! /bin/sh 2# Wrapper for compilers which do not understand `-c -o'. 3 4scriptversion=2009-10-06.20; # UTC 5 6# Copyright (C) 1999, 2000, 2003, 2004, 2005, 2009 Free Software 7# Foundation, Inc. 8# Written by Tom Tromey <tromey@cygnus.com>. 9# 10# This program is free software; you can redistribute it and/or modify 11# it under the terms of the GNU General Public License as published by 12# the Free Software Foundation; either version 2, or (at your option) 13# any later version. 14# 15# This program is distributed in the hope that it will be useful, 16# but WITHOUT ANY WARRANTY; without even the implied warranty of 17# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18# GNU General Public License for more details. 19# 20# You should have received a copy of the GNU General Public License 21# along with this program. If not, see <http://www.gnu.org/licenses/>. 22 23# As a special exception to the GNU General Public License, if you 24# distribute this file as part of a program that contains a 25# configuration script generated by Autoconf, you may include it under 26# the same distribution terms that you use for the rest of that program. 27 28# This file is maintained in Automake, please report 29# bugs to <bug-automake@gnu.org> or send patches to 30# <automake-patches@gnu.org>. 31 32case $1 in 33 '') 34 echo "$0: No command. Try \`$0 --help' for more information." 1>&2 35 exit 1; 36 ;; 37 -h | --h*) 38 cat <<\EOF 39Usage: compile [--help] [--version] PROGRAM [ARGS] 40 41Wrapper for compilers which do not understand `-c -o'. 42Remove `-o dest.o' from ARGS, run PROGRAM with the remaining 43arguments, and rename the output as expected. 44 45If you are trying to build a whole package this is not the 46right script to run: please start by reading the file `INSTALL'. 47 48Report bugs to <bug-automake@gnu.org>. 49EOF 50 exit $? 51 ;; 52 -v | --v*) 53 echo "compile $scriptversion" 54 exit $? 55 ;; 56esac 57 58ofile= 59cfile= 60eat= 61 62for arg 63do 64 if test -n "$eat"; then 65 eat= 66 else 67 case $1 in 68 -o) 69 # configure might choose to run compile as `compile cc -o foo foo.c'. 70 # So we strip `-o arg' only if arg is an object. 71 eat=1 72 case $2 in 73 *.o | *.obj) 74 ofile=$2 75 ;; 76 *) 77 set x "$@" -o "$2" 78 shift 79 ;; 80 esac 81 ;; 82 *.c) 83 cfile=$1 84 set x "$@" "$1" 85 shift 86 ;; 87 *) 88 set x "$@" "$1" 89 shift 90 ;; 91 esac 92 fi 93 shift 94done 95 96if test -z "$ofile" || test -z "$cfile"; then 97 # If no `-o' option was seen then we might have been invoked from a 98 # pattern rule where we don't need one. That is ok -- this is a 99 # normal compilation that the losing compiler can handle. If no 100 # `.c' file was seen then we are probably linking. That is also 101 # ok. 102 exec "$@" 103fi 104 105# Name of file we expect compiler to create. 106cofile=`echo "$cfile" | sed 's|^.*[\\/]||; s|^[a-zA-Z]:||; s/\.c$/.o/'` 107 108# Create the lock directory. 109# Note: use `[/\\:.-]' here to ensure that we don't use the same name 110# that we are using for the .o file. Also, base the name on the expected 111# object file name, since that is what matters with a parallel build. 112lockdir=`echo "$cofile" | sed -e 's|[/\\:.-]|_|g'`.d 113while true; do 114 if mkdir "$lockdir" >/dev/null 2>&1; then 115 break 116 fi 117 sleep 1 118done 119# FIXME: race condition here if user kills between mkdir and trap. 120trap "rmdir '$lockdir'; exit 1" 1 2 15 121 122# Run the compile. 123"$@" 124ret=$? 125 126if test -f "$cofile"; then 127 test "$cofile" = "$ofile" || mv "$cofile" "$ofile" 128elif test -f "${cofile}bj"; then 129 test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile" 130fi 131 132rmdir "$lockdir" 133exit $ret 134 135# Local Variables: 136# mode: shell-script 137# sh-indentation: 2 138# eval: (add-hook 'write-file-hooks 'time-stamp) 139# time-stamp-start: "scriptversion=" 140# time-stamp-format: "%:y-%02m-%02d.%02H" 141# time-stamp-time-zone: "UTC" 142# time-stamp-end: "; # UTC" 143# End: 144